.projects {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    grid-column-gap: 40px;
    grid-row-gap: 40px;
    width: 100%;
    margin-top: 41px;
    margin-bottom: 95px;
}
.project-item {
    position: relative;
    height: 465px;
    color: #000000;
    background-color: #fff;
    box-shadow: 0px 0px 10px 0px rgba(1,20,99,0.35);
}
.project-pic {
    width: 100%;
    height: 220px;
}
.project-pic img {
    width: 100%;
    height: 100%;
}
.project-title {
    margin: 22px 17px;
    font-weight: bold;
    font-size: 22px;
    line-height: 35px;
    color: #000000;
}
.project-desc {
    font-weight: 400;
    font-size: 16px;
    color: #000000;
    margin: 17px;
    line-height: 35px;
}
.project-detail {
    position: absolute;
    bottom: 20px;
    left: 17px;
}
.project-detail-btn {
    width: 120px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    color: #000000;
    border: 2px solid #D2171A;
    cursor: pointer;
}
.project-detail-btn:hover {
    color: #fff;
    background-color: #D2171A;
}

.background {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-top: 69px;
    margin-bottom: 38px;
}
.background-left .wb-title {
    text-align: left;
    margin-bottom: 39px;
}
.background-left .wb-title h2:first-child {
    padding-top: 0;
}
.background-info {
    font-weight: 500;
    font-size: 18px;
    color: #000000;
    line-height: 33px;
}
.background-right {
    display: flex;
    flex-direction: column;
}
.background-pic {
    width: 251px;
    height: 346px;
    margin-left: 149px;
    margin-bottom: 19px;
}
.background-pic img {
    width: 100%;
    height: 100%;
}
.background-pic-desc {
    font-weight: bold;
    font-size: 22px;
    color: #000000;
    text-align: right;
    padding-right: 36px;
}
.incharge {
    width: 100%;
    height: 224px;
    background: url(../images/yanjiu-pic-8.png) no-repeat;
    background-size: 100% 100%;
    margin-bottom: 104px;
}
.incharge .wb-title {
    text-align: left;
    padding-top: 33px;
}
.incharge-user {
    font-weight: bold;
    font-size: 22px;
    color: #000000;
    margin-top: 20px;
    margin-bottom: 25px;
}
.incharge-content {
    font-size: 18px;
    color: #000000;
    line-height: 33px;
}

.project-target {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 130px;
}
.project-target-left {
    margin-right: 192px;
}
.project-target-pic {
    width: 450px;
    height: 330px;
}

.background-pic img {
    width: 100%;
    height: 100%;
}
.project-target-right .wb-title {
    text-align: right;
    margin-bottom: 45px;
}
.project-target-info {
    font-weight: 500;
    font-size: 18px;
    color: #000000;
    line-height: 33px;
}

.project-progress {
    display: flex;
    justify-content: space-between;
    margin-bottom: 110px;
}
.project-progress-left .wb-title {
    text-align: left;
}
.project-progress-right {
    margin-left: 120px;
    flex: 1;
}
.timeline-box {
    position: relative;
    height: 800px;
    border-left: 1px solid #D2171A;
}
.current-time-dot {
    position: absolute;
    left: -4px;
    top: 40px;
    width: 8px;
    height: 8px;
    border-radius: 100%;
    background-color: #D2171A;
}
.timeline-item {
    display: flex;
    margin-bottom: 20px;
}
.timeline-item .time-info {
    color: #D2171A;
    margin-left: 17px;
    padding-top: 26px;
}
.time-info-date {
    font-size: 30px;
    line-height: 40px;
    white-space: nowrap;
}
.time-info-year {
    font-size: 16px;
}
.detail-box {
    margin-left: 131px;
    padding: 42px 56px;
    width: 800px;
    height: 188px;
    background: #FFFFFF;
    box-shadow: 0px 0px 3px 0px rgba(0,0,0,0.17);
}
.detail-box-title {
    font-weight: bold;
    font-size: 18px;
    color: #4F4D4D;
    line-height: 26px;
}
.detail-box-content {
    font-size: 16px;
    color: #4F4D4D;
    line-height: 30px;
}